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impl ReadSized for Option<T>

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Robin Appelman 2019-02-28 22:20:20 +01:00
commit 29ca7e359e
1 changed files with 10 additions and 0 deletions
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10
src/read.rs
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@ -246,6 +246,16 @@ impl<E: Endianness, T: BitRead<E>> BitRead<E> for Option<T> {
} }
} }
impl<E: Endianness, T: BitReadSized<E>> BitReadSized<E> for Option<T> {
fn read(stream: &mut BitStream<E>, size: usize) -> Result<Self> {
if stream.read()? {
Ok(Some(stream.read_sized(size)?))
} else {
Ok(None)
}
}
}
impl<E: Endianness> BitReadSized<E> for BitStream<E> { impl<E: Endianness> BitReadSized<E> for BitStream<E> {
#[inline(always)] #[inline(always)]
fn read(stream: &mut BitStream<E>, size: usize) -> Result<Self> { fn read(stream: &mut BitStream<E>, size: usize) -> Result<Self> {